diff options
Diffstat (limited to 'internal/netutil/validate.go')
| -rw-r--r-- | internal/netutil/validate.go | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/internal/netutil/validate.go b/internal/netutil/validate.go index 27cc9ba4a..2cb5aad0a 100644 --- a/internal/netutil/validate.go +++ b/internal/netutil/validate.go @@ -23,10 +23,17 @@ import ( ) var ( - // IPv6GlobalUnicast is the global IPv6 unicast IP prefix. - IPv6GlobalUnicast = netip.MustParsePrefix("ff00::/8") + // IPv6Reserved contains IPv6 reserved IP prefixes. + IPv6Reserved = [...]netip.Prefix{ + netip.MustParsePrefix("::1/128"), // Loopback + netip.MustParsePrefix("fe80::/10"), // Link-local + netip.MustParsePrefix("fc00::/7"), // Unique Local + netip.MustParsePrefix("2001:db8::/32"), // Test, doc, examples + netip.MustParsePrefix("ff00::/8"), // Multicast + netip.MustParsePrefix("fec0::/10"), // Site-local, deprecated + } - // IPvReserved contains IPv4 reserved IP prefixes. + // IPv4Reserved contains IPv4 reserved IP prefixes. IPv4Reserved = [...]netip.Prefix{ netip.MustParsePrefix("0.0.0.0/8"), // Current network netip.MustParsePrefix("10.0.0.0/8"), // Private @@ -67,9 +74,14 @@ func ValidateIP(ip netip.Addr) bool { } return true - // IPv6: check if in global unicast (public internet) + // IPv6: check if IP in IPv6 reserved nets case ip.Is6(): - return IPv6GlobalUnicast.Contains(ip) + for _, reserved := range IPv6Reserved { + if reserved.Contains(ip) { + return false + } + } + return true // Assume malicious by default default: |